With This Led Lighted Crochet Hook Set, You Can See It Very Clearly When You'Re Crocheting,Especially Helpful When Working With Dark Colored Yarn.YouLl Never Have To Stop Or Slow Down Again Because Of Bad Light Or Dark Yarn. Crochet Hooks Sizes C Through K Which Are Color Coded. One Of Each Size: C (2.5Mm), D (3.0Mm), E (3.5Mm), F (4.0Mm), G (4.5Mm), H (5.0Mm), I (5.5Mm), J(6.0Mm) And K(6.5Mm) . Ultra-Comfortable Soft Anti-Slip Silicon Handles Are Easy On Your Hands For Long Crocheting Sessions And Give You Precise Control Allowing You To Create Super Detailed Designs.Our Lighted Crochet Hook Set Is Perfect For Those Suffering Rheumatoid Arthritis Or Carpal Tunnel, And As Well As Preventing This Set Has 9 Size Led Crochet Hooks With Ergonomic Handle,Comfortable To Use And Ease Hand Pressure.You Can Crochet Longer Without Pain.Great For Beginners, Intermediate Or Advanced Crocheters The Handle Of Crochet Hooks Is Made Of Silicon+Abs ,Crochet Hooks Heads Are Made Of Durable Pctg.